This "synagogue" is not what it seems to be.

The Giant Lemon of Lemon Grove.

An iconic location along the Los Angeles River where countless movie scenes are filmed.

Like a kitschy mirage in the Mojave, this eatery serves up classic 50s-style diner meals and a dinosaur sculpture garden.

Hollywood's oldest hotel is the site of the first Academy Awards, the birthplace of Marilyn Monroe's career, and the home of Montgomery Clift's ghost.

Before it was abandoned and left to rust alongside the road, this riverboat starred in a John Wayne movie.

A burnt orange monolithic dome structure perched on a hillside near Interstate 280.

“It's the quality” (but probably also the drive-through donut tunnel) that has attracted diners since 1968.

A bigger-than-life pun that has become a beacon of altruism.

This unlicensed collection of fast-food memorabilia sits on the site of the first ever McDonald's restaurant.

The "world's biggest dinosaur" once housed a creationist museum in its abdomen.

In a city filled with Frank Gehry buildings, one stands out as one of the architect's weirder works.

Historic funicular railway, believed to be the shortest railroad in the world.

The legendary building that needed ghostly approval before being built.

In all of the 29 years it was in operation, no prisoners ever escaped successfully... or so they claim.

A peculiar mansion built by the troubled heir to the Winchester Rifle Company fortune.

Out of a desire to feed hungry soldiers, a franchise-altering idea was born.

In 1975, a forestry worker in Arizona claimed to have been abducted by a UFO.

A stone pillar commemorates the surrender of the extraordinary Apache leader.

Petroglyphs, bird watching, and a 100-year-old Ranch in one location.

The first permanent memorial to a unique secret weapon of World War II.

This 40-room dwelling tucked within a cliff was built by the basin's prehistoric residents.

An homage to everyone's favorite prehistoric cartoon family.

This 4,000-foot-diameter hole is touted as "the most well known, best preserved meteorite crater on Earth."